63results about How to "Guaranteed persistence" patented technology

The invention discloses a carbon nitride composite material as well as a preparation method and application thereof, and designs and prepares an activated carbon loaded modified carbon nitride nanosheet, K ions are doped between layers of the modified carbon nitride nanosheet to form local geometric distortion caused by KN bridging and K + intercalation, and the local geometric distortion and a P gap state generate synergy, so that the performance of the carbon nitride composite material is improved. The adsorption and activation capabilities of the material on O2 molecules are jointly optimized, so that the reaction from * OO to * OOH is obviously accelerated. The adsorption and enrichment effects of the activated carbon and the oxidative degradation and sterilization capabilities of the photocatalytic material can be fully utilized.

The invention relates to the technical field of halogen-free phosphorus flame-retardant materials, in particular to a halogen-free phosphorus flame-retardant epoxy resin composition and application thereof in a high-heat-resistance copper-clad plate, and the halogen-free phosphorus flame-retardant epoxy resin composition comprises the following raw materials: novolac epoxy resin, a flame retardant, 2-ethyl-4-methylimidazole, a curing agent, fused silicon dioxide and flaky boron nitride. According to the flame retardant, a polyether amine flexible chain segment in a molecular structure of the flame retardant is compatible with an epoxy resin matrix, so that the possibility of phase separation and interface defects is reduced, and the mechanical property level of an epoxy resin cured product is favorably maintained while the flame retardant property is ensured; the epoxy group at the tail end enables the flame retardant to participate in a curing reaction, and is anchored in an epoxy three-dimensional network through a covalent bond, so that the risk of migration and precipitation of the flame retardant is reduced, and the durability and stability of the flame retardant property are ensured.

This utility model discloses a hub-mounted composite embedded balance block structure, including balance blocks with a base pad installed on the bottom surface of the balance blocks. Through the assembly mechanism, this hub-mounted composite embedded balance block structure allows for the cutting of an appropriate number of balance blocks according to the required weight before use. To facilitate bending and installation, lightweight balance blocks are added to the sides of the balance blocks, increasing the convenience of weight distribution and bending flexibility. Simultaneously, to ensure a more secure connection and easier bending, a mesh pad is installed at the bottom of the balance block, with a hanging mesh embedded inside. The hanging mesh enhances the bottom's connectivity and flexibility, facilitating bending and secure external assembly. This avoids limitations that neglect structural compactness and ease of installation, resulting in excessively large balance blocks or cumbersome installation steps, thus affecting its practical application value.

The invention relates to the technical field of energy power, and discloses a phosphoric acid fuel cell PAFC separator graphite slurry spraying-drying-cooling-detection integrated continuous process, and the slurry is prepared from raw materials including crystalline flake graphite, fluorine modified phenolic resin, a polytetrafluoroethylene emulsion, a dispersant and a dilution solvent. The process comprises the following steps: carrying out double-sided coating by using a spraying station and matching with shielding protection; a near-infrared heater is adopted for drying; the exhaust hood and the dust collector are linked to generate micro negative pressure for cooling and dust collection; and carrying out quality detection by using an online weighing platform and a visual system. The core of the method is that a closed-loop self-adaptive compensation mechanism between detection data and spraying execution is established, and coating deviation is eliminated by adjusting slurry parameters in real time. And meanwhile, the hardened blocks are shielded through visual monitoring, online switching is triggered, and secondary pollution of the bonding surface is eliminated. The problems of poor process consistency and low efficiency in the prior art are solved, and the corrosion resistance and the production controlled degree of the partition plate are improved.

The utility model provides a simple trenchless drill rod probing equipment, including power device, cleaning device, support device, adjustable mobile device, probing device, cleaning device, connecting plate, power device below the power device is equipped with the support plate, power device and the support plate are connected through nut, the four corners below the support plate are equipped with a plurality of cleaning device, the support device is equipped with the adjustable mobile device, the probing device is equipped with the adjustable mobile device, and the connecting plate is equipped with the adjustable mobile device. A detection device is arranged below the supporting plate and penetrates through the connecting plate, a support device is arranged on the side face of the connecting plate, the connecting plate is connected with the support device through a nut, an adjustable moving device is arranged below the support device, and a cleaning device is arranged on the side face of the support device. Stable power is provided through the power device, cleaning of equipment is guaranteed through the cleaning device, stability of the equipment is guaranteed through the support device, use flexibility is improved through the adjustable moving device, detection precision is improved through the detection device, and self-maintenance of the equipment is achieved through the cleaning device.

The application provides a kind of eye drop composition and its preparation method and application, belong to ophthalmic preparation technical field.The eye drop composition used in the application includes the following components: brimonidine tartrate, hyaluronic acid, collagen, trehalose, injection water;By compounding each component, a kind of eye drop capable of realizing brimonidine tartrate sustained release, prolonging the time of antihypertensive effect, and having the characteristics of reducing blinking discomfort, long-acting moisturizing, anti-inflammatory soothing, mild antiseptic, etc. is prepared;The eye drop of the application is helpful to glaucoma, high eye pressure, dry eye, postoperative inflammation or allergy, preservative-sensitive or preservative-allergic population, improves the quality of life, relieves the disease.

A transmission mechanism of a dust removal rapping device comprises a motor, a reduction gear and a transmission shaft, the motor is arranged on the upper side of a gearbox, a connecting flange is arranged on the lower portion of the gearbox and arranged on a flange support, the flange support is arranged on the upper side of an electric field shell, and a heat insulation gasket is arranged between the flange support and the electric field shell. A bearing is arranged in a bearing hole in the middle of the supporting plate. A motor rotating shaft is connected with the upper side of a reduction gear. A connecting shaft is arranged on the lower side of the reduction gear and connected with a transmission shaft through the coupler. A ceramic shaft is arranged at the lower end of the transmission shaft. A rapping connecting rod is arranged at the lower end of the porcelain shaft. The transmission shaft bearing of the transmission mechanism is arranged in a lifting mode, the high-temperature influence is effectively avoided, the working efficiency is improved, and the service life is prolonged.

The utility model belongs to corrugated paperboard technical field especially relates to a kind of high buffering environment-friendly corrugated paperboard, intermediate layer is the core support foundation of corrugated paperboard, corrugated paper layer is set on the upper surface of intermediate layer, corrugated paper layer uses common corrugated structure, base plate is laid on the upper surface of corrugated paper layer, on the one hand can be combined with corrugated paper layer tightly, enhance the stability of corrugated paper layer structure, buffer layer is set on the upper surface of base plate, it is the key structure of realizing high buffering performance, upper surface layer covers on the upper surface of buffer layer, upper surface layer as the upper surface of corrugated paperboard, can protect buffer layer from the direct influence of external environment, support layer is set on the lower surface of intermediate layer, can provide stronger support force and stability, lower surface layer is laid on the lower surface of support layer, lower surface layer as the lower surface of corrugated paperboard, can protect support layer from external wear and environmental influence, ensure the structural stability and support performance of support layer.

The invention relates to the technical field of frequency converter testing, and discloses a surface pre-cleaning device for frequency converter FCT testing dotting, which comprises a connecting frame, a protective plate and a connecting plate are connected to the connecting frame, a working table is connected to the connecting plate, a conveying belt is connected to the working table, and a conveying clamp for limiting a frequency converter is connected to the conveying belt. A grating is connected to the workbench, a lifting block is slidably connected to one side of the workbench, a cleaning frame is rotatably connected to the lower end of the lifting block, a cleaning roller is rotatably connected to one end of the cleaning frame through a shaft, a top frame is connected to the workbench, a deflection strip is rotatably connected to the top frame, a sliding groove is formed in the deflection strip, and the lifting block is slidably connected to the sliding groove through a second shaft. An air cylinder is connected between the deflection strip and the top frame. According to the device, dust, oil stains and other impurities on the surface of the frequency converter shell are efficiently removed, dotting marks are prevented from being stained and falling off due to the impurities, and the definition and durability of the marks are guaranteed.

The utility model discloses a waterproof curtain wall, including wall body and curtain wall body, wall body is fixedly connected with the frame, is provided with the mounting groove on the frame, the curtain wall body is inserted to the inside of mounting groove, be provided with the sealing washer between curtain wall body and frame, the rear end fixedly connected with the square seat of curtain wall body, four lateral edges of square seat all are fixedly connected with the fixed frame, the inside of each fixed frame all is slidably arranged with the clamping plate, be provided with the clamping groove of being adapted to the clamping plate on the frame, the inside on four clamping plates all is provided with first thread groove, the inside screw thread connection of four first thread grooves has screw rod, the side end of four screw rods all is fixedly connected with first rotating column, be provided with square groove on square seat, four first rotating columns all are rotatably connected with square seat, it avoids the installation of curtain wall body to seal using air cylinder and other structures, relative to prior art has reduced the installation cost, has reduced the failure rate, has guaranteed the durability of sealed waterproof.

This utility model discloses a planar linear bearing, including a base, rollers, and an end cap. The base has a groove, and the rollers are disposed within the groove. The groove includes a first groove, a second groove, and a transition groove. The second groove is deeper than the first groove. The first and second grooves are smoothly connected via the transition groove to form a loop. An exposure window is provided on the first groove. The end cap covers the base, shielding the groove. The end cap includes a support portion and a connecting portion. The support portion is positioned corresponding to the first groove, and the connecting portion is positioned corresponding to the second groove. The connecting portion is higher than the support portion, and the connecting portion and the support portion are connected by a transition slope. The base also has a positioning component for positioning the end cap. Its structure is simple, increases bearing load, ensures structural strength, and possesses good toughness, thus improving structural performance.

The utility model discloses a ceramic cup with excellent wear resistance, which comprises a ceramic cup body, the right side of the ceramic cup body is fixedly connected with a handle, and the surface of the handle is fixedly sleeved with a heat insulation sleeve. The ceramic cup body, the base layer, the bonding layer, the wear-resistant protective layer, the first organic silicon resin coating layer, the glass fiber woven layer and the second organic silicon resin coating layer are matched with one another, so that the wear resistance and the scratch resistance of the ceramic cup body are greatly improved, surface scratches and wear can be effectively reduced in daily use, and the service life of the ceramic cup is prolonged. The attractiveness of the ceramic cup is prevented from being influenced, and the service life of the ceramic cup is prolonged.

The invention relates to the field of fabrics, provides a microcapsule color-changeable functional fabric, and solves the defect that a color-changeable fabric in the prior art is not washable. Which comprises a fabric body coated with a phase change microcapsule, and is characterized in that the phase change microcapsule is provided with a first cavity and a second cavity which are independently distributed at an interval, a photo-thermal double-response color-changing compound is packaged in the first cavity, and a photo-thermal double-response color-changing compound is packaged in the second cavity. The photo-thermal double-response color-changing compound is composed of a spiropyrane photosensitizer and a thermochromic liquid crystal material according to the weight ratio of 1: 1-1: 2, the color-changing response wavelength range of the photo-thermal double-response color-changing compound is 300-700 nm, and the color-changing temperature interval is 20-45 DEG C; and a temperature-adjusting and energy-storing compound is packaged in the second chamber.

The application relates to an exhaust system device and a design method, and belongs to the technical field of heavy truck aftertreatment systems. The exhaust system device comprises a hot end air inlet pipe, a flexible pipe and an exhaust pipe which are sequentially connected, the hot end air inlet pipe and the flexible pipe are fixedly connected through a clamp, the hot end air inlet pipe is connected to the engine end of a vehicle through a hinged first support, the air inlet end of the hot end air inlet pipe is butted to the outlet of an engine supercharger, the exhaust pipe is connected to the frame through a hinged second support, the air outlet end of the exhaust pipe is butted to an exhaust aftertreatment device, and the aftertreatment device is connected to the frame end of the vehicle through a third support. The exhaust system device is designed based on the engine working excitation frequency and the road surface excitation frequency of the vehicle, resonance between the exhaust system and the engine full speed range excitation frequency and the road surface excitation is avoided, and the reliability and durability of the exhaust system are improved.

This utility model discloses a magnetically replaceable modular eyeshadow palette, including a box body with a lid rotatably connected to one side. Inside the box body, three sets of placement strips are magnetically connected, each with a receiving slot. Each slot contains a receiving shell for storing eyeshadows. Each placement strip has an anti-detachment component at its bottom to secure the receiving shell and prevent it from falling off. This utility model, through the magnetic connection, allows for easy assembly and disassembly of the placement strips from the box body, enabling users to freely remove the strips and replace the eyeshadow receiving shells within the slots. Furthermore, the combination design of the slots and shells provides a basis for users to freely change eyeshadows of different colors and textures. Users can freely combine eyeshadows according to their preferences, makeup needs, and current trends to meet personalized customization needs.

The present application relates to air purification technical field, especially to a kind of purification equipment for removing coating formaldehyde, including shell, mounting plate fixedly connected in the cavity of shell.The present application is provided with self-cleaning mechanism, driving motor drives scraper to rotate around filter assembly, and cooperate with spiral conveying roller, dust scraped is automatically transported into collection box, realize the automatic cleaning of filter screen surface, effectively avoid filter screen blockage, ensure the persistence of filtering efficiency, by setting air flow guiding mechanism, servo motor drives rotating ring, on the one hand, drive fan blade to rotate, form auxiliary air flow, enhance air flow, on the other hand, through swing component drive air jet cylinder up and down swing, make air flow evenly into air duct, prolong the residence time and contact area of air flow in photocatalyst area, by setting photocatalyst decomposition mechanism, UV lamp irradiates photocatalyst coating in air duct, improve the purification efficiency and thoroughness of formaldehyde.

The utility model relates to the technical field of road engineering, in particular to an ecological sound insulation wall which comprises four mounting plates, mounting holes are formed in the middles of the upper ends of the four mounting plates, the front ends of the four mounting plates are jointly and fixedly connected with a splicing device, and the front end of the splicing device is fixedly connected with a sound insulation device. The sound insulation device comprises a rock wool board, the front end of the rock wool board is fixedly connected with a sound attenuation board, a plurality of sound attenuation holes are formed in the front end of the sound attenuation board, the front end of the sound attenuation board is fixedly connected with an ecological panel, and a plurality of planting grooves are formed in the front end of the ecological panel. According to the ecological sound insulation wall, the sound insulation device and the splicing device are arranged, the multi-layer composite structure and the plant planting design are adopted, branches and leaves of plants can scatter and absorb noise, the noise propagation efficiency is reduced, meanwhile, the surrounding environment of an expressway is beautified, and the combination of the ecological function and the noise reduction function is achieved; and the durability of the noise reduction effect is ensured.

The application provides a low-resistance high-temperature-resistant conductive adhesive as well as a preparation method, a use method and a photovoltaic module thereof, and relates to the technical field of electronic packaging materials. The low-resistance high-temperature-resistant conductive adhesive comprises, calculated based on the total mass of raw materials of the low-resistance high-temperature-resistant conductive adhesive as 100%, 45-60% of silver-coated ceramic powder, 10-20% of nano silver wire, 1-2% of silicon carbide whisker, 20-30% of polyimide resin and 0.1-0.5% of antioxidant. The base material of the polyimide resin is acetylene-terminated polyimide. The antioxidant comprises BHT. The conductive adhesive provided by the application can enable the material to maintain stable conductive performance and mechanical strength after long-term high-temperature aging, and is suitable for application scenarios such as photovoltaic modules which have strict requirements on weather resistance.

The application discloses Pseudomonas songnenensis, a microbial inoculum and application thereof, and relates to the technical field of environmental microorganisms and solid waste resource technology. The Pseudomonas songnenensis strain JP01 is preserved in the China General Microbiological Culture Collection Center, and has a preservation number of CGMCC No. 37102. The strain has salt and alkali tolerance characteristics, and can degrade coal gangue and promote the release of effective phosphorus, available potassium and effective silicon nutrients. After inoculation for 4 days, under normal conditions, the effective phosphorus content of the strain JP01 treatment group is 758.65% higher than that of the CK group; under salt and alkali conditions, the effective phosphorus content of the strain JP01 treatment group is 4.70 times that of the bacillus megaterium treatment group. The strain has good long-term colonization ability in a coal gangue-salt and alkali soil mixed substrate, and the viable cell count can still be maintained at a high level of 2.72x10 7 CFU / g after 90 days of culture. The application is suitable for coal gangue resource utilization and salt and alkali soil improvement, and has good phosphorus element activation ability and functional stability in a salt and alkali environment.

The utility model relates to the technical field of railway transportation equipment and safety, and particularly discloses an external brake device of a track inspection tester, which comprises a supporting mechanism, the supporting mechanism comprises a supporting assembly, and a clamping assembly, a braking assembly and a driving assembly are installed on the supporting assembly. The supporting assembly and the clamping assembly are combined and fixed to a train track inspection vehicle, and the driving assembly is rotationally clamped and embedded in the supporting assembly and drives the brake assembly to abut against a train track. The torsion spring drives the connecting shaft rod to rotate, so that the brake pad is far away from a train track, and normal running of a train is guaranteed; when braking is needed, an operator only needs to rotate the handle, the first push block can be pushed to move through the second push block, then the brake pad abuts against a train track, and rapid and effective braking is achieved. In addition, a first spring in the brake assembly can drive a first push block to be away from a second fixing plate after braking, so that a brake pad leaves a rail in time, and excessive abrasion is avoided.

The invention discloses a nonvolatile loop log recording and managing method based on EFLASH storage. The nonvolatile loop log recording and managing method comprises the following steps: S0, dividing a storage area, defining an information area and defining a log format; s1, initializing a log system; s2, executing a log core service; and S3, log transmission and analysis. Reliable, long-term and connectionless running log recording and analysis are realized through a structured storage mode, the fault tracking efficiency is remarkably improved, the debugging cost is reduced, the storage condition of the whole EFLASH storage area is maintained through an EFLASH content traversal method by means of two arrays stored in an RAM (Random Access Memory), and the time overhead caused by frequent EFLASH traversal is reduced.

This invention relates to a SOEC co-electrolysis system with precise control of syngas ratio, belonging to the field of solid oxide electrolysis and chemical process control technology. The system acquires the electrochemical impedance spectroscopy of the fuel cell stack online and extracts characteristic parameters to analyze the conversion efficiency parameters of water vapor and carbon dioxide in real time. Then, based on the dynamic material balance relationship, it calculates the target feed flow rate while maintaining stable total feed. Simultaneously, a feedforward compensation mechanism is introduced for sudden changes in operating current. This method achieves rapid, adaptive closed-loop control of the syngas molar ratio without relying on external renewable energy power prediction, solely based on the internal state of the system. This helps improve the raw material stability and overall system operating efficiency in the downstream methanol synthesis process.

The humidification filter screen comprises a plurality of filter screen units, the filter screen units are sequentially arranged around the vertical center line of the humidification filter screen; wherein the multiple filter screen units are arranged in a protruding mode relative to the vertical center line of the humidifying filter screen, the cross section of each filter screen unit is in an arc shape, and the vertical center line of each filter screen unit does not coincide with the vertical center line of the humidifying filter screen; or the cross sections of the plurality of filter screen units are rectangular; each supporting part is arranged between the corresponding two adjacent filter screen units, and the supporting parts are used for limiting the filter screen units in the state that the cross sections are arc-shaped or rectangular. According to the humidification filter screen, the filter screen units are structurally optimized, meanwhile, the form that the supporting parts fix the filter screen units is added, the effective air inlet area of the filter screen is remarkably increased, the humidification performance is improved, meanwhile, miniaturization and attractiveness of the humidification filter screen are achieved, excessive space is not occupied, and miniaturization design of a humidifier is better facilitated.

The invention discloses an X-ray bioactive protective agent and a preparation method thereof, and belongs to the field of biological medicine. The protective agent is composed of 10%-30% of a bioactive composite extract, 5%-15% of an antioxidant, 3%-10% of a cell protective agent, 1%-5% of a skin penetration enhancer, 0.5%-3% of a thickening agent, 0.1%-1% of a preservative and a solvent. The bioactive compound extract contains sea-buckthorn, roxburgh rose and aloe extract, and cooperates with an antioxidant and a cell protective agent to play a protection role. The preparation method comprises the following steps: extracting plant effective components, compounding, and mixing with other components according to a process. The protective agent can relieve X-ray damage from the biological activity level, has the advantages of being good in protective effect, high in safety, small in irritation, high in stability and the like, and is suitable for reducing damage of X-rays to human tissue and cells.

The invention relates to the technical field of building structures, in particular to a multidirectional composite shock insulation support for a building structure, which comprises an embedded part, and a shock insulation support is arranged in the middle of the embedded part. By arranging the embedded part and the shock insulation support, an efficient and stable shock insulation support mounting mode is realized; the stability and reliability of the shock insulation support in a building structure are greatly improved through ingenious cooperation of the embedded part and the shock insulation support and cooperative action of all the assemblies, various shocks and displacements possibly encountered in the using process of a building can be effectively resisted through the unique installation mode, the durability of the shock insulation effect is ensured, and the service life of the building is prolonged. In practical application, the multidirectional composite seismic isolation support can remarkably reduce the influence of natural disasters such as earthquakes on a building structure, the multidirectional composite characteristic of the multidirectional composite seismic isolation support enables the multidirectional composite seismic isolation support to effectively isolate and buffer vibration in different directions, vibration energy transmitted to a building body is reduced, and therefore the integrity and safety of the building structure are protected.

The utility model discloses a vertical hydraulic clamp, include: circular base, annular cylinder wall, vertical clamping mechanism and hydraulic distribution valve, circular base is installed in the rotary workbench, and annular cylinder wall is ringed in circular base, annular cylinder wall and circular base surround and set up clamping work cavity, the rotary workbench can make circular base and annular cylinder wall rotating activity, annular cylinder wall is provided with the vertical mounting plate of the board piece, vertical clamping mechanism and hydraulic distribution valve are installed in vertical mounting plate, vertical clamping mechanism includes a plurality of hydraulic clamping subassembly connected with hydraulic distribution valve, the utility model discloses, and the clamp whole is directly installed on the rotary workbench through circular base, can realize the synchronous rotation of workpiece and clamp under the clamping state, the design makes the hydraulic clamping force direct action on the vertical or inclined facade of workpiece, and the vertical posture of perfect adaptation large -scale workpiece is placed, and the rigidity and the anti -vibration of clamping under the strong cutting working condition are ensured.

This invention provides a hydrogen-bonded stable bipolar organic small molecule cathode material, its preparation method, and its application, comprising the following steps: weighing a conductive agent and a binder, adding a solvent, and grinding uniformly to obtain a slurry; uniformly coating the slurry onto a current collector; and drying to obtain the cathode material.

The utility model belongs to the technical field of cables, and particularly relates to a halogen-free flame-retardant cable, which comprises a cable body and a plurality of wire cores, the cable body comprises a low-smoke halogen-free jacket, the inner side wall of the low-smoke halogen-free jacket is provided with a flame-retardant layer, the inner side wall of the flame-retardant layer is provided with an oxygen-free copper encrypted netting layer, and the inner side wall of the oxygen-free copper encrypted netting layer is provided with a flame-retardant layer. A plurality of fixing strips are arranged on the inner side wall of the oxygen-free copper densified netting layer, an oxygen isolation layer is arranged on the inner side walls of the fixing strips, the wire cores are all located in the oxygen isolation layer, guide strips are arranged among the wire cores, oxygen and heat can be isolated through cooperation of the fireproof layer, the oxygen isolation layer and the low-smoke halogen-free outer sleeve, the cable body can bear high temperature, and the service life of the cable body is prolonged. Therefore, the flame-retardant effect is improved, the tensile and anti-pressure capabilities of the cable body are improved, the service life of the cable body is prolonged, and the risk of cable damage or breakage caused by overlarge stress is reduced.

The embodiment of the invention discloses a robot control method, a robot control system and a computer readable storage medium. The robot control method is applied to the robot control system, and the robot control system comprises a control end, a cloud end and an execution end. The method comprises the following steps: a control end obtains interaction data of a user and unifies the interaction data into a task instruction; task information is obtained according to the task instruction, and the task instruction and the task information are sent to the cloud; the cloud performs task splitting analysis based on the task instruction and the task information to generate a corresponding composite task planning set; issuing the composite task planning set to an execution end; and the execution end generates an execution instruction according to the composite task planning set and drives the robot to complete corresponding actions. Therefore, generalization is improved through interaction between the execution end and the user, the cloud end completes control planning and execution end control of the task execution end, the problem of long-view composite tasks is solved, and optimal resource configuration is achieved.